Few rigorous clinical trials have investigated the effectiveness of exercise on the physical functioning of patients with Alzheimer disease (AD). Objectives: To investigate the effects of intense and longterm exercise on the physical functioning and mobility of home-dwelling patients with AD and to explore its effects on the use and costs of health and social services. Design: A randomized controlled trial. Setting and Participants: A total of 210 homedwelling patients with AD living with their spousal caregiver. Interventions: The 3 trial arms included (1) groupbased exercise (GE; 4-hour sessions with approximately 1-hour training) and (2) tailored home-based exercise (HE; 1-hour training), both twice a week for 1 year, and (3) a control group (CG) receiving the usual community care. Main Outcome Measures: The Functional Independence Measure (FIM), the Short Physical Performance Battery, and information on the use and costs of social and health care services. Results: All groups deteriorated in functioning during the year after randomization, but deterioration was significantly faster in the CG than in the HE or GE group at 6 (P=.003) and 12 (P=.015) months. The FIM changes at 12 months were Ϫ7.1 (95% CI, Ϫ3.7 to Ϫ10.5), Ϫ10.3 (95% CI, Ϫ6.7 to Ϫ13.9), and Ϫ14.4 (95% CI, Ϫ10.9 to Ϫ18.0) in the HE group, GE group, and CG, respectively. The HE and GE groups had significantly fewer falls than the CG during the follow-up year. The total costs of health and social services for the HE patient-caregiver dyads (in US dollars per dyad per year) were $25

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The proportion of male caregivers is rapidly increasing. However, there are few large scale studies exploring gender differences in the burden or coping with caregiving. We investigated this among caregivers of patients with dementia. The study cohort consisted of 335 dyads of wife-husband couples from two studies including dementia patients and their spousal caregivers. Baseline mini-mental state examination (MMSE), clinical dementia rating scale (CDR), neuropsychiatric inventory (NPI), cornell depression scale and charlson comorbidity index (CCI) were used to describe patients with dementia, Zarit burden scale and geriatric depression scale were used to measure experienced burden and depression of caregivers. Mean age of caregivers was 78 years. There were no differences in depression, satisfaction with life, or loneliness according to caregivers' gender. Male caregivers had more comorbidities than females (CCI 1.9 versus 1.1, P < 0.001), and the wives of male caregivers had a more severe stage of dementia than husbands of female caregivers (CDR, P = 0.048; MMSE14.0 versus 17.7, P < 0.001). However, the mean Zarit burden scale was significantly lower among male than female caregivers (31.5 versus 37.5; P < 0.001). Lower education of male caregivers tended to be associated with less experienced burden. In conclusion, male caregivers of dementia experienced lower burden than female caregivers despite care recipients' more severe disease.